JP2003313914A - Drain trap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drain trap preventing the back flow to a drain outlet side from a branch pipe side or the back flow of water discharged to a branch pipe side from a drain outlet side. <P>SOLUTION: The drain trap comprises a trap body (1) equipped with an inlet (2) wherein water is discharged, an outlet (3) connected to a drain pipe to a sewage side, a drain channel (W1) to the outlet (3) from the inlet (2) and a water seal section (4) having the water seal provided in the drain channel (W1), a branch pipe section (5) provided on the side of the trap body (1) wherein water discharged from another drainage device flows and a branch pipe channel (W2) having a trap function independently communicating the branch pipe section (5) and the outlet (3) or the vicinity of the outlet (3) with the drain channel (W2). <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof pan used in a washing machine or a bathroom, and a drain trap used in a drainage device having a cabinet such as a sink or a washbasin.

[0002]

2. Description of the Related Art Conventionally, various kinds of domestic drainage equipment (hereinafter referred to as "drainage equipment") that produces drainage when used, such as a waterproof pan used in a washing machine or a bathroom, or a sink or a washbasin. , A drainage device that discharges the wastewater generated by use to the sewage side is installed. Some of these drainage devices are simple drainage devices that simply collect the drainage and discharge it to the sewage side, etc. A drainage device called a drainage trap having a function of preventing odors and pests from entering the indoor side is well known. Below is an example of a well-known drain trap piping.
A description will be given with reference to the drawings.

The conventional example shown in FIG. 11 shows a state in which a drainage device called a drainage elbow or a drainage trap is installed on a waterproof pan which is a drainage device. Each member such as a waterproof pan described below is shown. It is composed of The waterproof pan is composed of a washing area for the user to wash his / her body, and a bathtub placing area on which the bathtub is placed. A drain trap described later and a drain elbow member also described later are attached to the bathtub mounting portion on the lower surface side of the waterproof pan, that is, in the underfloor space. The bathtub is a member placed on the bathtub mounting portion of the waterproof pan, and has a drain plug at the drain port, and piping is provided so that the drainage in the bathtub directly flows into the drain elbow from the drain plug. ing. The drainage elbow is a drainage device for simply causing drainage to flow inside, and as described above, drainage from the bathtub allows the drainage port so that the drainage on the bathtub placement part also flows in at the same time. Is provided, and both the drainage from the bathtub and the drainage from the bathtub mounting portion are piped so as to flow into the drainage trap via a pipe or the like. The drain trap includes a trap body, which will be described later, a helisert member, and a flange member. The trap body is
It has a bottomed cylindrical shape, has an opening toward the top, and is further provided with an outer wall portion, a water sealing portion described later, a branch pipe portion, and an outlet. The water sealing part has a bottomed cylindrical shape, and is provided with an inflow port through which waste water flows in. The branch pipe portion is an opening for introducing the drainage water from the drainage elbow to the trap body side, is formed to extend outward from the side surface of the outer wall portion of the trap body, and the inside is the water seal of the trap body. It communicates with the department. The outflow port is an opening for discharging the drainage in the trap body to the sewer pipe, is formed to extend outward from the side surface of the outer wall portion, and the inside communicates with the inside of the trap body. Here, inside the trap body, a drainage flow path from an after-mentioned deodorant cylinder to the outflow port via the upper edge of the water sealing portion and the branch pipe portion flows through the upper edge of the water sealing portion. Two types of drainage channels leading to the outlet are formed. The helisert member is a member for watertightly closing the opening of the trap body facing upward of the outer wall portion, and has an opening having a female screw at the center thereof. The side surface of the outer wall portion of the trap body and the helisert member are rotated by rotating one member at a high speed and brought into contact with another member, so that the heat generated by the contact causes the members to be melted and welded to each other. Welded by the method. The flange member is a cylindrical member that opens up and down, a flange is provided at the upper end, and an external thread that is screwed with the female thread of the helicert member is provided on the outer peripheral surface. A drain outlet communicating with the inlet is opened. The deodorant cylinder member is
The upper and lower sides are open cylindrical bodies, and the upper side is detachably and watertightly fitted to the drainage port of the flange member,
The lower end is arranged in the water sealing part.

The female pan of the waterproof pan is screwed onto the male screw of the flange member with the mounting part of the waterproof pan interposed therebetween so that the peripheral edge of the mounting part of the waterproof pan is the flange of the flange member and the opening of the helisert member. A drain trap is attached to the waterproof pan, being sandwiched between the peripheral edge of the part. In the drainage pipe configured as described above, when drainage is performed on the bathtub or the waterproof pan, the drainage is discharged from the drainage port provided in the drainage device of either the bathtub, the bathtub placement part, or the washing place part. It is discharged to the sewage side etc. through the plug and branch pipes.

[0005]

However, the drainage device having the above structure has the following problems. When using drainage equipment, for example, when draining from a bathtub, drainage flows from the bathtub in the order of drain plug, drain elbow, branch pipe (of drain trap), sealing part, and finally outlet. It is the correct flow to be discharged to the sewage side, but if there is a large amount of drainage that exceeds the discharge capacity of the outlet,
Since there is a sealing part in the drainage elbow side, that is, in the drainage route from the branch pipe part to the outlet, the drainage is not the outlet,
A phenomenon called backflow sometimes occurred which overflowed from the water seal to the inlet of the drain trap. Similarly, when draining water from the washing area, if there is a large amount of drainage that exceeds the discharge capacity of the outlet, a backflow will occur from the water seal to the drain elbow or drain plug via the branch pipe. However, drainage may overflow onto the bathtub placement part or into the bathtub. The present invention has been researched and developed to solve the above problems, and provides a drain trap and a drain trap connected to the drain trap for preventing backflow between them. To do.

[0006]

The drain trap of the present invention comprises an inlet (2) into which drainage flows, an outlet (3) connected to a drainage pipe to the sewage side, and the inlet (2) to A trap body (1) having a drainage channel (W1) reaching the outflow port (3), and a water sealing section (4) provided with sealing water provided in the drainage channel (W1); A branch pipe part (5) provided on the side surface of the trap body (1) into which waste water from another drainage device flows, the branch pipe part (5) and the outlet (3) or the vicinity of the outlet (3). To independently communicate with the drainage flow path (W1), and has a branch pipe flow path (W
2) and a drain trap.

The drain trap according to the present invention is the drain trap described in the paragraph 0006, wherein the branch pipe flow path (W2) is provided along the side surface of the water sealing part (4).

In the drain trap of the present invention, the drain channel (W1) and the branch channel (W2) are provided along the outer surface of the water sealing section (4), and the water sealing section (4) is provided. Is attached to the trap body (1) in a watertight manner and is detachable, and the drainage passage (W1) and the branch pipe passage (W) are attached to and detached from the water sealing portion (4).
The drain trap according to paragraph 0006 or paragraph 0007, wherein one or both of 2) and the side surface on the water seal portion (4) side are opened.

In the drainage trap of the present invention, the upper end opening of the water sealing part (4) and the upper end of the outer wall part of the trap body (1) are arranged in a circular shape and concentric circles, and further, a space between both openings is made circular to be centered. The paragraph 000, characterized in that it is closed by a helisert member (7) provided with an opening (6).
6 or the drain trap according to paragraph 0007 above.

In the drainage trap of the present invention, a hole (8) is provided on the side of the trap body (1) or the side of the water seal (4) at a position facing the branch pipe (5). The paragraph (0006) to the paragraph (00), characterized in that the hole (8) is detachably and watertightly provided with a cap body (9).
09 is a drain trap.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to the drawings. The first embodiment of the present invention shown in FIGS. 1 and 5 is a trap body (1), a helisert member (7), and a flange member (1) described below.
0) and a deodorant tubular member (11).

The trap body (1) has a bottomed cylindrical outer wall portion (1a), a water sealing portion (4), and an outlet (3) which will be described later.
And a branch pipe part (5), a drainage flow path (W1), and a branch pipe flow path (W2). The outer wall portion (1a) of the trap body (1) has a bottomed cylindrical shape and has an opening toward the top. The water sealing part (4) has a cylindrical shape with a bottom, is provided in a position concentric with the outer wall part (1a), and is provided with an inflow port (2) through which drainage flows in. In the vicinity of the outlet (3), a notch (1
2) is provided. Further, a hole portion (8) is provided at a position facing a branch pipe portion (5) described later, and the hole portion (8) is detachably and watertightly provided with a cap body (9). The outflow port (3) is an opening for discharging the drainage in the trap body (1) to the sewage side pipe, is formed to extend outward from the side surface of the outer wall portion (1a), and the inside is the trap. It communicates with the inside of the main body (1). Here, inside the trap body (1), a drainage flow path (W1) from the inflow port (2) of the water sealing part to the outflow port (3) via the water sealing part (4) and the notch (12). ) Is formed. The branch pipe portion (5) traps wastewater from a drainage elbow (E) described later in the trap body (1).
A trap body (1) for opening to the side
Is formed so as to extend outward from the side surface of the outer wall portion (1a), and the inside communicates with the outer wall portion of the trap body (1). The branch channel (W2) is formed between the outer wall portion (1a) of the trap body (1) and the water sealing portion (4) along the side surface of the water sealing portion (4). ) Is a drainage flow path on the side of the branch pipe section (5) that connects the branch pipe section (5) and the outlet port (3), and is provided independently of The tapered portion (13) having the drain portion (W1) is formed by the tapered portion (13).
Since the water sealing part (4) is formed separately from the water sealing part (4) on the side, it has a trap function.

The heli-sert member (7) is a member for watertightly closing the upwardly facing opening of the outer wall portion (1a) of the trap body (1), and the flow of the water sealing portion (4). The inlet (2) is provided with an opening (6) having substantially the same diameter, and the opening (6) is provided with an internal thread. Further, the upper end of the outer wall portion (1a) of the trap body (1) and the inlet port (2) of the water sealing portion (4) and the helicert member (7) rotate one member at a high speed, and the other member. By bringing them into contact with each other, the members are melted by the heat generated by the contact and welded by a welding method called a spin welding method.

The flange member (10) is a cylindrical member having an opening at the top and bottom, a flange portion is provided at the upper end, and a male screw for screwing with the female screw of the helicert member (7) is provided on the outer peripheral surface. A drain port (14) communicating with the inflow port (2) is provided inside. Deodorant cylinder member (11)
Is a cylindrical body whose upper and lower ends are open, the upper end of which is detachably and watertightly fitted to the drainage port (14) of the flange member (10), and the lower end of which is inside the water sealing part (4). It is arranged.

The respective members of the drain trap shown in the above paragraphs 0011 to 0014 are composed of the following members.
Pipes are installed in a bathtub and a waterproof pan, which are drainage devices, as shown in FIGS. 4 to 5. The waterproof pan (P) is composed of a washing place for the user to wash his / her body and a bathtub placing part on which the bathtub (B) is placed, and the attaching part is opened at each of the washing place and the bathtub placing part. , The above-mentioned drain trap in the washing area, and the drain elbow (E) described below in the bathtub mounting section,
It is attached to the lower surface side of the waterproof pan (P), that is, in the underfloor space. The bathtub (B) is a member placed on the bathtub placement portion of the waterproof pan (P), and the drain fitting has a drain plug, from which drainage in the bathtub (B) is drained. Piping is made so that it can flow directly into E). The drainage elbow (E) is a drainage device for simply causing the drainage to flow inside, and as described above, the drainage from the bathtub (B) flows into the drainage elbow as well as the drainage on the bathtub mounting portion. An opening is provided to allow inflow, drainage from the bathtub (B),
Both of the drainage water from the bathtub mounting portion are piped so as to flow into the drainage trap via a pipe or the like. Here, by screwing the female screw of the helisert member (7) onto the male screw of the flange member (10) with the mounting portion of the waterproof pan (P) interposed therebetween, the peripheral portion of the mounting portion of the waterproof pan (P). Is sandwiched between the flange portion of the flange member (10) and the periphery of the opening portion (6) of the helisert member (7), and the drain trap is attached to the waterproof pan (P).

In the drainage pipe including the drainage trap arranged as described above, when the drainage is generated from the washing place, the drainage is discharged from the drainage port (14) of the flange member (10) of the washing place to the deodorant cylinder. Through the member (11), it flows into the water sealing part (4) of the trap body (1), and the drainage in the water sealing part (4) overflows from the notch (12) and finally flows. It is discharged from the outlet (3) into the sewer pipe.

Further, the flow of the drainage when the drainage is generated from the bathtub (B) and the bathtub mounting portion, the branch pipe flow path (5) from the branch pipe portion (5) through the drainage elbow (E). W2)
It is discharged to the sewage side pipe via the. Here, in the branch pipe flow path (W2), the water sealing part (4) is formed by the taper part (13) independently of that of the drain flow path (W1) and trapped in the drain elbow (E). Function is given.

Further, as shown in FIG. 5, the branch pipe portion (5)
When sludge in the drainage is accumulated inside the pipe and the pipe is clogged, the cap body (9) of the trap body (1) is removed and a high-pressure water stream is pressed from the opened hole (8), or the coil By inserting a metal wire wound in a circular shape and pressing it, it is possible to crush the sludge that causes the clogging of the pipe and eliminate the clogging of the pipe. In addition, the method of eliminating the pipe clogging by the high-pressure water flow as described above is called the high-pressure cleaning method, and the method of eliminating the pipe clogging by the metal coil wire is called the can tool method.

As described above, drainage from the inflow port (2) side is in the drainage channel (W1), drainage from the branch pipe section (5) side is in the branch pipe channel (W2), and in the drainage trap, respectively. Since an independent separate flow path is formed so that the drainage from the branch pipe part (5) does not pass through the water sealing part (4) on the inflow port (2) side, the branch pipe part (5), that is, The drainage from the bathtub placement part side is smoothly discharged to the sewer pipe without flowing back to the inlet (2), that is, the washing place part side, and conversely, the drainage water from the washing place part is placed in the bathtub or the bathtub installation side. It does not flow back to the storage side and is smoothly discharged into the sewer pipe.

Further, the outer wall portion (1) of the trap body (1) is
a) By arranging the upper end of the side wall and the sealing part (4) in a cylindrical shape and concentrically, the outer wall part (1) of the drain trap is
a) The side wall and the water seal part (4) and the helicert member (7) can be welded by a spin welding method by high speed rotation.

Further, since the hole portion (8) and the cap body (9) are provided on the side surface of the water sealing portion (4) opposite to the branch pipe portion (5), the branch pipe portion (5) has a pipe portion. When it occurs, by removing the cap body (9), the branch pipe part (5) can be subjected to a can tool method or a high-pressure cleaning method.

Next, a second embodiment of the present invention will be described with reference to the drawings. The second embodiment of the present invention shown in FIGS. 6 to 10 is composed of a trap body (1), a helisert member (7), a flange member (10), and a deodorant tubular member (11) described below. It becomes.

The trap body (1) has a bottomed cylindrical outer wall portion (1a), a water sealing portion (4), and an outlet (3), which will be described later.
And a branch pipe part (5), a drainage flow path (W1), and a branch pipe flow path (W2). The outer wall portion (1a) of the trap body (1) has a bottomed cylindrical shape and has an opening toward the top. The water sealing part (4) is the trap body (1).
Is a bottomed cylindrical member that is detachably attached to the outer wall portion (1a) of the above, and is provided with an inflow port (2) through which drainage flows in, and along the periphery thereof, outwardly. A protruding collar portion is provided, and the collar portion and a partition wall portion (1) to be described later are further provided.
A first notch (12a) for discharging the drainage is provided at a height position between and 5). The outflow port (3) is an opening for discharging the drainage in the trap body (1) to the sewage side pipe, is formed to extend outward from the side surface of the outer wall portion (1a), and the inside is the trap. It communicates with the main body (1). The partition part (15) is the outer wall part (1a) of the drain trap.
Is a member arranged so as to spread in the horizontal direction, and vertically divides the inside of the trap body (1a) of the drain trap into two parts, and a branch pipe flow path described later near the outlet (3). The second notch (1) from which the drainage of (W2) is discharged
2b) An opening is provided, and a water sealing part (4) is further provided in the central part.
A watertight member is attached so as to abut watertightly and detachably. The branch pipe portion (5) is an opening for introducing drainage from a drainage elbow (E), which will be described later, to the trap body (1) side, and an outer wall portion (1) of the trap body (1).
a) It is formed so as to extend outward from the side surface, and the inside communicates with the outer wall portion (1a) of the trap body (1). Here, when the water sealing part (4) is attached to the trap body (1), the second cutout part (12b) is provided between the upper and lower sides of the partition part (14) by the side wall surface of the water sealing part (4). ) Except that the drainage is not replaced. Therefore, from the drainage flow path (W1) from the inflow port (2) to the outflow port (3) via the water sealing part (4) and the first cutout part (12a), and the branch pipe part (5), The outer wall portion (1a) and the partition wall portion (1) of the trap body (1)
5) A portion surrounded by the bottom surface and the side surface of the water sealing portion (4),
And the branch pipe flow path (W2) reaching the outflow port (3) through the second notch (12b) are independently formed. In addition, a height difference is set between the upper end of the branch pipe portion (5) and the second cutout portion (12b) so as to function as sealing water,
As a result, the branch channel (W2) has a trap function.

The heli-sert member (7) is a member for water-tightly closing the opening of the trap body (1) facing upward of the outer wall portion (1a) of the trap body (1). The inlet (2) is provided with an opening (6) having substantially the same diameter, and the opening (6) is provided with an internal thread. Further, the upper end of the side surface of the outer wall portion (1a) of the trap body (1) and the helisert member (7) are welded by a spin welding method.

The flange member (10) is a cylindrical member having an opening at the top and bottom, a flange is provided at the upper end, and an external thread to be screwed with the female thread of the helicert member (7) is provided on the outer peripheral surface. A drain port (14) communicating with the inflow port (2) is provided inside. In addition, the drain port (1
The diameter of 4) is configured to be slightly larger than the diameter of the bottom surface of the water sealing portion (4), and the bottom surface of the water sealing portion (4) can be inserted from above and the water sealing at the periphery of the drain port (14) is possible. The collar portion of the portion (4) can be mounted in a watertight manner.

The deodorant tubular member (11) is a cylindrical body whose upper and lower ends are open, and the upper end is the flange member (10).
It is detachably and watertightly fitted to the drainage port (14), and the lower end is arranged in the water sealing part (4).

Each member of the drain trap shown in the above paragraphs 0022 to 0026 is shown in a waterproof pan and shown in FIGS. 9 to 10 by the same members and method as the first embodiment described in the paragraph 0015. To be piped.

In the drainage pipe including the drainage trap, which is piped as described above, when the drainage is generated from the washing place, the drainage is discharged from the drainage port (14) of the flange member (10) of the washing place to the deodorant cylinder. Through the member (11), it flows into the water sealing part (4) of the trap body (1), and the drainage in the water sealing part (4) overflows from the notch (12) and finally flows. It is discharged from the outlet (3) into the sewer pipe.

When the drainage is generated from the bathtub (B) and the bathtub mounting portion, the flow of the drainage is from the branch pipe portion (5) to the branch pipe flow path (through the drainage elbow (E) described above. W2)
It is discharged to the sewage side pipe via the. Here, in the branch pipe flow path (W2), the upper end of the branch pipe portion (5) and the second cutout portion (12)
Due to the difference in height from the b), the water seal part (4) is drained (W
The drainage elbow (E) is provided with a trapping function independently of that of 1).

Further, as shown in FIG. 10, in the branch pipe portion (5), or the drainage flow passage (W1) and the branch pipe flow passage (W2).
If sludge in the drainage accumulates on the pipe, causing clogging of the pipe, remove the water seal (4) from the trap body (1),
The cause of the pipe clogging can be directly removed from the opened drainage flow passage (W1) or the branch pipe flow passage (W2), and the branch pipe portion (5) can be opened from the opening in the branch pipe portion (5) direction. The pipe clogging can be eliminated by the high pressure cleaning method or the can tool method.

As described above, drainage from the inlet (2) side is in the drainage channel (W1), drainage from the branch pipe section (5) side is in the branch pipe channel (W2), and in the drainage trap, respectively. Since an independent separate flow path is formed so that the drainage water from the branch pipe part (5) does not pass through the water sealing part (4) on the inlet (2) side, the branch pipe part (5), that is, the bathtub. Drainage from the mounting side
It does not flow back to the inflow port (2), that is, the washing place side, and is smoothly discharged to the sewer side pipe, and conversely, the drainage of the washing place side does not flow back into the bathtub or the bathtub placing part side. It is smoothly discharged into the sewer pipe.

Further, the water sealing part (4) is attached to the trap body (1).
With respect to the drainage flow path (W1) and the branch pipe flow path (W2), the drainage flow path (W1) and the branch flow can be removed by removing the sealing unit (4) when the pipe flow path is clogged. The pipe flow path (W2) can be directly washed, or the branch pipe portion (5) can be subjected to a can-tool method or a high-pressure washing method.

Although the embodiments of the present invention are as described above, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the invention. For example, in the first embodiment of the present invention, the drain trap is provided with the hole portion (8) and the cap body (9), but if necessary, it is possible to prevent the backflow, which is the object of the present invention. Can be achieved. Also, the hole (8) and the cap body (9)
Even if the position is properly provided on the trap body side, there is no problem as long as the can tool method and the high pressure cleaning method can be used.

[0034]

Since the drain trap of the present invention is constructed as described above, it has the following excellent effects. 1. According to the first aspect of the present invention, the drainage channel and the branch pipe channel are provided in the drain trap independently of each other, and the drainage channel and the branch pipe channel are provided so as not to merge with each other at the water sealing portion. Even if there was a large amount of drainage in either one of them, there was almost no backflow of drainage to the other side. 2. According to the present invention described in claim 1, since the branch pipe portion and the branch pipe flow path are provided in the trap body, the positional relationship of the inlet, the outlet, the branch pipe portion, and the like is the same as that of the conventional drain trap.
Therefore, the related members can be shared with the conventional ones, and the cost required for a series of construction can be reduced. 3. According to the present invention as set forth in claim 2, since the branch pipe flow path is provided along the side surface of the sealing portion, the drain flow path and the branch pipe flow path can be integrally provided in the drain trap. The number of drainage members is reduced as compared with the case where the branch pipe flow path is configured by another member or the like. Therefore, it becomes a cheaper drainage trap. 4. According to the present invention of claim 3, the drainage flow path and the branch pipe flow path are provided along the outer surface of the water sealing portion,
The water sealing part is provided in a watertight and detachable manner with respect to the trap body, and when the water sealing part is removed, the drainage channel and the branch pipe channel are configured to open, so that the drainage channel and The inside of the branch channel can be easily cleaned. 5. According to the fourth aspect of the present invention, the helicart member can be welded by the spin welding method by arranging the upper end opening of the water sealing portion and the upper end of the outer wall portion of the trap body in the circular and concentric positions. . 6. According to the present invention as set forth in claim 5,
By providing a hole at a position facing the branch pipe part and further equipping the hole with a watertight cap in a detachable and watertight manner, when a pipe clogging occurs, a can tool method or a high pressure cleaning method can be appropriately performed. it can.

[Brief description of drawings]

FIG. 1 is a perspective view showing a member configuration of a first embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view showing a member structure of a first embodiment of the present invention.

FIG. 3 is a perspective view showing a first embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a construction state of the first embodiment of the present invention.

FIG. 5 is a cross-sectional view showing the first embodiment of the present invention with the cap body removed.

FIG. 6 is a perspective view showing a member structure of a second embodiment of the present invention.

FIG. 7 is a partially cutaway perspective view showing a member structure of a second embodiment of the present invention.

FIG. 8 is a perspective view showing a second embodiment of the present invention.

FIG. 9 is a cross-sectional view showing a construction state of a second embodiment of the present invention.

FIG. 10 is a cross-sectional view showing a second embodiment of the present invention with a water sealing part removed.

FIG. 11 is a cross-sectional view showing a conventional example.

[Explanation of symbols]

1 Trap Main Body 1a Outer Wall Part 2 Inlet Port 3 Outlet Port 4 Sealing Part 5 Branch Pipe Part 6 Opening Part 7 Helicert Member 8 Hole Part 9 Cap Body 10 Flange Member 11 Deodorant Cylinder Member 12 Notch Part 12a First Notch Part 12b No. Two notch parts 13 Taper part 14 Drain port 15 Bulkhead part B Bathtub E Drain elbow P Waterproof pan W1 Drain flow channel W2 Branch pipe flow channel

Claims (5)

[Claims] 1. An inflow port (2) into which drainage flows, an outflow port (3) connected to a drainage pipe to the sewage side, and the inflow port (2).
Trap body (1) comprising: a drainage channel (W1) extending from the outlet to the outflow port (3); and a water sealing section (4) provided with water in the drainage channel (W1). And a branch pipe part (5) provided on the side surface of the trap body (1) into which waste water from another drainage device flows, and the branch pipe part (5) and the outlet (3) or the outlet (3). A drain trap comprising: a branch pipe channel (W2) having a trap function, which communicates with the vicinity independently of the drain channel (W1). 2. The water sealing section (4) for the branch pipe channel (W2).
The drain trap according to claim 1, wherein the drain trap is provided along a side surface. 3. The drainage flow path (W1) and the branch pipe flow path (W2).
Are provided along the side surface of the water sealing portion (4), and the water sealing portion (4) is provided in a watertight and detachable manner with respect to the trap body (1), and drainage is performed when the water sealing portion (4) is attached and detached. Channel (W
The drain trap according to claim 1 or 2, wherein one or both of 1) and the branch pipe flow path (W2) is opened at a side surface on the water sealing part (4) side. 4. The upper end opening of the water sealing part (4) and the upper end of the outer wall part of the trap body (1) are arranged in circular and concentric positions, and the opening is circular in the center between the openings (6). The drain trap according to claim 1 or 2, which is closed by a helisert member (7) provided with. 5. A hole (8) is provided on a side surface of the trap body (1) or a side surface of the water seal (4) at a position facing the branch pipe (5), and the hole (8) is further provided. The cap body (9) is detachably and watertightly provided on the cover.
The drain trap according to claim 4.